1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace projectcleverweb\color\convert; |
4
|
|
|
|
5
|
|
|
class hsb implements \projectcleverweb\color\interfaces\converter { |
6
|
|
|
use \projectcleverweb\color\traits\converter; |
7
|
|
|
|
8
|
|
|
protected static $valid_keys = array( |
9
|
|
|
'h', |
10
|
|
|
's', |
11
|
|
|
'b' |
12
|
|
|
); |
13
|
|
|
|
14
|
|
|
protected static $default_value = array( |
15
|
|
|
'h' => 0, |
16
|
|
|
's' => 0, |
17
|
|
|
'b' => 0 |
18
|
|
|
); |
19
|
|
|
|
20
|
|
|
public static function to_rgb($input) :array { |
21
|
|
|
$hsb = static::_validate_array_input($input); |
22
|
|
|
if ($hsb['b'] == 0) { |
23
|
|
|
return ['r' => 0, 'g' => 0, 'b' => 0]; |
24
|
|
|
} |
25
|
|
|
$hsb['h'] /= 60; |
26
|
|
|
$hsb['s'] /= 100; |
27
|
|
|
$hsb['b'] /= 100; |
28
|
|
|
$i = floor($hsb['h']); |
29
|
|
|
$f = $hsb['h'] - $i; |
30
|
|
|
$p = $hsb['b'] * (1 - $hsb['s']); |
31
|
|
|
$q = $hsb['b'] * (1 - ($hsb['s'] * $f)); |
32
|
|
|
$t = $hsb['b'] * (1 - ($hsb['s'] * (1 - $f))); |
33
|
|
|
$calc = [[$hsb['b'], $t, $p],[$q, $hsb['b'], $p],[$p, $hsb['b'], $t],[$p, $q, $hsb['b']],[$t, $p, $hsb['b']],[$hsb['b'], $p, $q]]; |
34
|
|
|
return ['r' => $calc[$i][0] * 255, 'g' => $calc[$i][1] * 255, 'b' => $calc[$i][2] * 255]; |
35
|
|
|
} |
36
|
|
|
|
37
|
|
|
public static function to_hex($input) :string { |
38
|
|
|
return rgb::to_hex(static::to_rgb($input)); |
39
|
|
|
} |
40
|
|
|
|
41
|
|
|
public static function to_cmyk($input) :array { |
42
|
|
|
return rgb::to_cmyk(static::to_rgb($input)); |
43
|
|
|
} |
44
|
|
|
|
45
|
|
|
public static function to_hsl($input) :array { |
46
|
|
|
return rgb::to_hsl(static::to_rgb($input)); |
47
|
|
|
} |
48
|
|
|
|
49
|
|
|
public static function to_hsb($input) :array { |
50
|
|
|
return static::_validate_array_input($input); |
51
|
|
|
} |
52
|
|
|
} |
53
|
|
|
|